Perfect John! Yes sorry I didn't mean powder coating...wrong name for it sorry.
I am trying to find the Zerex G-05 which I understand is THE best coolant for our Benz's...it seems to be hard to find locally though as most places have discontinued it now.
Thanks for the tip about paper towels...but luckily I was doing that already as it soaks up better
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That looks like the plug Ivan. Can I be sure it should fit? Last thing I would want is this engine to continue to lose coolant at the rate it is right now (full to empty light in a week).
Here is a better picture of it:
